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Finding the Fourth Proportional to 426,062.32, 587,967.88 and 235,075.60

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Solution

The fourth proportional to 426,062.32, 587,967.88 and 235,075.60 is: 324,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,062.32 : 587,967.88 = 235,075.60 : x
  2. Step 2: Convert to fraction form
    426,062.32/587,967.88 = 235,075.60/x
  3. Step 3: Cross multiply
    426,062.32x = 587,967.88 × 235,075.60
  4. Step 4: Simplify right side
    426,062.32x = 138,216,902,171.73
  5. Step 5: Solve for x
    x = 138,216,902,171.73/426,062.32
  6. Step 6: Final answer
    x = 324,405.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.